gh-3366: Address JoinIT failures (#3370)

* fix joinITs and add defaultGraphIds to AllGraphInfo

* copyright

---------

Co-authored-by: p29876 <[email protected]>

Author: cn337131

store-implementation/simple-federated-store/src/main/java/uk/gov/gchq/gaffer/federated/simple/merge/operator/ElementAggregateOperator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 Crown Copyright
+ * Copyright 2024-2025 Crown Copyright
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,7 +67,7 @@ public Iterable<Element> apply(final Iterable<Element> update, final Iterable<El
                 // Compare the current element with all others to do a full merge
                 for (final Element inner : chainedResult) {
                     // No merge required if not in same group
-                    if (!e.getGroup().equals(inner.getGroup()) || e.equals(inner)) {
+                    if (!e.getGroup().equals(inner.getGroup()) || e.equals(inner) || !schema.getElement(e.getGroup()).isAggregate()) {
                         continue;
                     }
 

store-implementation/simple-federated-store/src/main/java/uk/gov/gchq/gaffer/federated/simple/operation/handler/get/GetAllGraphInfoHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 Crown Copyright
+ * Copyright 2024-2025 Crown Copyright
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -40,6 +40,7 @@ public class GetAllGraphInfoHandler implements OutputOperationHandler<GetAllGrap
     public static final String OP_DECLARATIONS = "operationDeclarations";
     public static final String OWNER = "owner";
     public static final String IS_PUBLIC = "isPublic";
+    public static final String DEFAULT_GRAPH_IDS = "defaultGraphIds";
 
     @Override
     public Map<String, Object> doOperation(final GetAllGraphInfo operation, final Context context, final Store store)
@@ -70,6 +71,8 @@ public Map<String, Object> doOperation(final GetAllGraphInfo operation, final Co
                 allGraphInfo.put(graph.getConfig().getGraphId(), graphInfo);
             });
 
+            allGraphInfo.put(DEFAULT_GRAPH_IDS, ((FederatedStore) store).getDefaultGraphIds());
+
             return allGraphInfo;
         }
 }

store-implementation/simple-federated-store/src/test/java/uk/gov/gchq/gaffer/federated/simple/integration/FederatedStoreITs.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 Crown Copyright
+ * Copyright 2024-2025 Crown Copyright
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,15 +48,10 @@ public class FederatedStoreITs extends AbstractStoreITs {
             new SimpleEntry<>("shouldGetAllElementsWithFilterWithoutSummarisation",
                 "GetAllElementsIT - count value is duplicated, elements correct otherwise"),
             new SimpleEntry<>("shouldImportFromFileThenCorrectlyExportToFile", "ImportExportCsvIT - Investigate further"),
-            new SimpleEntry<>("shouldRightKeyOuterJoin", "JoinIT - Missing results"),
-            new SimpleEntry<>("shouldLeftKeyInnerJoin", "JoinIT - Missing results"),
-            new SimpleEntry<>("shouldRightKeyInnerJoin", "JoinIT - Missing results"),
-            new SimpleEntry<>("shouldRightKeyFullJoin", "JoinIT - Missing results"),
-            new SimpleEntry<>("shouldLeftKeyOuterJoin", "JoinIT - Missing results"),
             new SimpleEntry<>("shouldReturnDuplicateEdgesWhenNoAggregationIsUsed",
-                "NoAggregationIT - Need to ensure that when schema has aggregation false that this is applied"),
+                "NoAggregationIT - Will return one from each graph as they contain the exact same elements"),
             new SimpleEntry<>("shouldReturnDuplicateEntitiesWhenNoAggregationIsUsed",
-                "NoAggregationIT - Need to ensure that when schema has aggregation false that this is applied"),
+                "NoAggregationIT - Will return one from each graph as they contain the exact same elements"),
             new SimpleEntry<>("shouldAggregateOnlyRequiredGroupsWithQueryTimeAggregation", "PartAggregationIT - Investigate further"),
             new SimpleEntry<>("shouldAggregateOnlyRequiredGroups", "PartAggregationIT - Investigate further"),
             new SimpleEntry<>("shouldApplyPostOpAggregation", "SchemaMigrationIT - Need to apply schema aggregation choices"))